/**
 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ECMASCRIPT_IC_PROPERTIES_CACHE_INL_H
#define ECMASCRIPT_IC_PROPERTIES_CACHE_INL_H

#include "plugins/ecmascript/runtime/ic/properties_cache.h"
#include "plugins/ecmascript/runtime/js_tagged_value-inl.h"

namespace ark::ecmascript {
int PropertiesCache::Get(JSHClass *jsHclass, JSTaggedValue key)
{
    int hash = Hash(jsHclass, key);
    PropertyKey &prop = keys_[hash];
    if ((prop.hclass == jsHclass) && (prop.key == key)) {
        return keys_[hash].results;
    }
    return NOT_FOUND;
}

void PropertiesCache::Set(JSHClass *jsHclass, JSTaggedValue key, int index)
{
    int hash = Hash(jsHclass, key);
    PropertyKey &prop = keys_[hash];
    prop.hclass = jsHclass;
    prop.key = key;
    keys_[hash].results = index;
}

void PropertiesCache::Clear()
{
    for (auto &key : keys_) {
        key.hclass = nullptr;
    }
}

int PropertiesCache::Hash(JSHClass *cls, JSTaggedValue key)
{
    uint32_t clsHash = JSHClass::Hash(cls);
    uint32_t keyHash = key.GetKeyHashCode();
    return static_cast<int>((clsHash ^ keyHash) & CACHE_LENGTH_MASK);
}
}  // namespace ark::ecmascript
#endif  // ECMASCRIPT_IC_PROPERTIES_CACHE_INL_H
